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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef _OUTPUT_FILE_H_
     18 #define _OUTPUT_FILE_H_
     19 
     20 #ifdef __cplusplus
     21 extern "C" {
     22 #endif
     23 
     24 #include <sparse/sparse.h>
     25 
     26 struct output_file;
     27 
     28 struct output_file *output_file_open_fd(int fd, unsigned int block_size, int64_t len,
     29 		int gz, int sparse, int chunks, int crc);
     30 struct output_file *output_file_open_callback(int (*write)(void *, const void *, int),
     31 		void *priv, unsigned int block_size, int64_t len, int gz, int sparse,
     32 		int chunks, int crc);
     33 int write_data_chunk(struct output_file *out, unsigned int len, void *data);
     34 int write_fill_chunk(struct output_file *out, unsigned int len,
     35 		uint32_t fill_val);
     36 int write_file_chunk(struct output_file *out, unsigned int len,
     37 		const char *file, int64_t offset);
     38 int write_fd_chunk(struct output_file *out, unsigned int len,
     39 		int fd, int64_t offset);
     40 int write_skip_chunk(struct output_file *out, int64_t len);
     41 void output_file_close(struct output_file *out);
     42 
     43 int read_all(int fd, void *buf, size_t len);
     44 
     45 #ifdef __cplusplus
     46 }
     47 #endif
     48 
     49 #endif
     50